Granted Patent
Utility
US 5,735,963 · App. 08/767,758
Method of polishing
Inventor:
Yaw S. Obeng
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Dec 17, 1996
Inventor
Yaw S. Obeng
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.